Red List Category
for more information about the Red List categories and criteria
Justification of Red List category
This species is classified as Endangered because it has an extremely small population. The population has been stable since the early 1990s but then increased following an island translocation, and if it remains stable or increasing with over 250 mature individuals it may warrant downlisting to Vulnerable in the future.
160-220 mature individuals
Distribution size (breeding/resident):
Land-mass type - oceanic island - Oceanic islands are islands or island groups that are <200,000 sq km in size and separated from other land masses by >200 m sea depth. Generally Oceanic islands are islands or island groups that are <200,000 sq km in size and separated from other land masses by >200 m sea depth. Generally they have never been connected to a continental area by a land-ridge, and are volcanic in origin.
Realm - Afrotropical - realm
IUCN Ecosystem -- Terrestrial biome